EP1806197A4 - Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining - Google Patents

Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining

Info

Publication number: EP1806197A4
Authority: EP; European Patent Office
Prior art keywords: electric discharge; discharge machining; power supply; small; supply apparatus
Prior art date: 2004-10-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP05799455A

Other languages

German (de)

French (fr)

Other versions

EP1806197B1 (en

EP1806197A1 (en

Inventor

Kiyohito Oda

Satoshi Suzuki

Kazushi Nakamura

Akihiro Goto

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mitsubishi Electric Corp

Original Assignee

Mitsubishi Electric Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2004-10-27

Filing date

2005-10-26

Publication date

2011-03-16

2005-10-26 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2007-07-11 Publication of EP1806197A1 publication Critical patent/EP1806197A1/en

2011-03-16 Publication of EP1806197A4 publication Critical patent/EP1806197A4/en

2013-08-07 Application granted granted Critical

2013-08-07 Publication of EP1806197B1 publication Critical patent/EP1806197B1/en

Status Not-in-force legal-status Critical Current

2025-10-26 Anticipated expiration legal-status Critical

Links

238000003754 machining Methods 0.000 title 2
238000005553 drilling Methods 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
- B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

EP05799455.0A 2004-10-27 2005-10-26 Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining Not-in-force EP1806197B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2004312027		2004-10-27
PCT/JP2005/019684 WO2006046599A1 (en)	2004-10-27	2005-10-26	Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining

Publications (3)

Publication Number	Publication Date
EP1806197A1 EP1806197A1 (en)	2007-07-11
EP1806197A4 true EP1806197A4 (en)	2011-03-16
EP1806197B1 EP1806197B1 (en)	2013-08-07

Family

ID=36227841

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05799455.0A Not-in-force EP1806197B1 (en)	2004-10-27	2005-10-26	Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining

Country Status (5)

Country	Link
US (1)	US7645958B2 (en)
EP (1)	EP1806197B1 (en)
JP (1)	JP5045104B2 (en)
CN (1)	CN101048253B (en)
WO (1)	WO2006046599A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7345430B2 (en) *	2006-02-01	2008-03-18	Ionatron, Inc.	Electrical energy discharge control
WO2009096025A1 (en) *	2008-01-31	2009-08-06	Mitsubishi Electric Corporation	Electric discharge device and electric discharge method
JP4580022B2 (en) *	2009-02-27	2010-11-10	ファナック株式会社	Wire electric discharge machine
JP4565523B1 (en) *	2009-10-29	2010-10-20	一郎藤本	EDM machine
WO2012140735A1 (en)	2011-04-12	2012-10-18	三菱電機株式会社	Power source device and electric discharge processing method for electric discharge processing machine
CN102189325B (en) *	2011-04-19	2013-04-10	河南科技大学	Capacitor charge-discharge pulse digital control type electric spark depositing surfacing welding power supply
JP5389128B2 (en) *	2011-09-05	2014-01-15	三菱電機株式会社	EDM machine
WO2013080347A1 (en)	2011-11-30	2013-06-06	三菱電機株式会社	Power supply device for electric discharge machine
CN103582720B (en) *	2012-06-05	2016-06-08	三菱电机株式会社	Apparatus for discharge surface treatment
CN104066540B (en) *	2012-10-30	2016-04-20	三菱电机株式会社	Electric discharge device
US9878386B2 (en) *	2013-10-31	2018-01-30	Foundation Of Soongsil University-Industry Cooperation	Eccentric electrode for electric discharge machining, method of manufacturing the same, and micro electric discharge machining apparatus including the same
CN106378502A (en) *	2016-10-19	2017-02-08	陈明	Electric spark punching machine for steel
US10589370B2 (en)	2017-05-08	2020-03-17	General Electric Company	Automatic blocked hole identification
US11084112B2 (en) *	2018-05-31	2021-08-10	Johnson Technology, Inc.	Electrical discharge machine time slice power supply

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61260917A (en) *	1985-05-15	1986-11-19	Mitsubishi Electric Corp	Power source for electric discharge machining
JPH0355117A (en) *	1989-07-19	1991-03-08	Mitsubishi Electric Corp	Power source device for electric discharge
US5539178A (en) *	1992-11-18	1996-07-23	Mitsubishi Denki Kabushiki Kaisha	Method and apparatus for controlling the power supply for electrical discharge machine
US6660957B1 (en) *	2000-05-15	2003-12-09	Mitsubishi Denki Kabushiki Kaisha	Apparatus for electric discharge machining

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60161519A (en) *	1984-02-01	1985-08-23	Hitachi Ltd	Magnetic rotary encoder
JPS60161519U (en) *	1984-04-06	1985-10-26	日立精工株式会社	Electrical discharge machine power supply circuit
JPS614620A (en) *	1984-06-20	1986-01-10	Mitsubishi Electric Corp	Electric discharge machining power supply device
JPH01121121A (en) *	1987-11-02	1989-05-12	Hitachi Seiko Ltd	Electric discharge machining device
JP2764938B2 (en) *	1988-09-01	1998-06-11	松下電器産業株式会社	Method for manufacturing solid electrolytic capacitor
JPH0266921U (en) *	1988-10-20	1990-05-21
US5153453A (en) *	1991-08-16	1992-10-06	International Business Machines Corp.	High voltage majority carrier rectifier
JP3343267B2 (en) *	1992-08-25	2002-11-11	株式会社ソディック	Electric discharge machining method and power supply device for electric discharge machining
US5416290A (en) *	1992-10-08	1995-05-16	Mitsubishi Denki Kabushiki Kaisha	Electric discharge machine power supply circuit
JPH06143043A (en) *	1992-11-04	1994-05-24	Murata Mfg Co Ltd	Minute hole electric discharge machining method and device
JP2914102B2 (en) *	1993-06-30	1999-06-28	三菱電機株式会社	Electric discharge machine
US6113760A (en) *	1997-02-20	2000-09-05	Shibaura Mechatronics Corporation	Power supply apparatus for sputtering and a sputtering apparatus using the power supply apparatus
US6169261B1 (en) *	1998-06-12	2001-01-02	Industrial Technology Research Institute	Apparatus and method for generating an electric discharge for use in the line cutting of a workpiece
US6784396B1 (en) *	2000-05-22	2004-08-31	Mitsubishi Denki Kabushiki Kaisha	Electric discharge machine for making thin hole
CN1199342C (en) *	2001-02-22	2005-04-27	三菱电机株式会社	Discharge pulse generator
JP4334990B2 (en) *	2003-12-16	2009-09-30	株式会社ミツトヨ	Discharge pulse power supply circuit

2005
- 2005-10-26 US US11/631,303 patent/US7645958B2/en not_active Expired - Fee Related
- 2005-10-26 WO PCT/JP2005/019684 patent/WO2006046599A1/en active Application Filing
- 2005-10-26 EP EP05799455.0A patent/EP1806197B1/en not_active Not-in-force
- 2005-10-26 CN CN2005800367490A patent/CN101048253B/en active Active
- 2005-10-26 JP JP2006543206A patent/JP5045104B2/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61260917A (en) *	1985-05-15	1986-11-19	Mitsubishi Electric Corp	Power source for electric discharge machining
JPH0355117A (en) *	1989-07-19	1991-03-08	Mitsubishi Electric Corp	Power source device for electric discharge
US5539178A (en) *	1992-11-18	1996-07-23	Mitsubishi Denki Kabushiki Kaisha	Method and apparatus for controlling the power supply for electrical discharge machine
US6660957B1 (en) *	2000-05-15	2003-12-09	Mitsubishi Denki Kabushiki Kaisha	Apparatus for electric discharge machining

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006046599A1 *

Also Published As

Publication number	Publication date
JPWO2006046599A1 (en)	2008-05-22
EP1806197B1 (en)	2013-08-07
US7645958B2 (en)	2010-01-12
WO2006046599A1 (en)	2006-05-04
JP5045104B2 (en)	2012-10-10
CN101048253B (en)	2010-07-14
EP1806197A1 (en)	2007-07-11
CN101048253A (en)	2007-10-03
US20080017614A1 (en)	2008-01-24

Legal Events

Date	Code	Title	Description
2007-06-08	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2007-07-11	17P	Request for examination filed	Effective date: 20061117
2007-07-11	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): CH DE LI
2008-01-30	DAX	Request for extension of the european patent (deleted)
2008-01-30	RBV	Designated contracting states (corrected)	Designated state(s): CH DE LI
2011-03-16	A4	Supplementary search report drawn up and despatched	Effective date: 20110210
2013-02-27	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2013-07-04	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2013-07-05	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2013-08-07	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE LI
2013-08-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: EP
2013-10-02	REG	Reference to a national code	Ref country code: DE Ref legal event code: R096 Ref document number: 602005040776 Country of ref document: DE Effective date: 20131002
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2014-06-13	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2014-06-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
2014-07-16	26N	No opposition filed	Effective date: 20140508
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